1. Previous attempts at filtering and oxygenating aquarium water had failed. 过去给水族馆的水过滤和充氧的尝试都已失败了。
2. But bats, we thought they were filtering out this kind of information, because they simply couldn't analyze it. 但至于蝙蝠,我们认为它们过滤掉了这类信息,因为它们根本无法分析这些信息。
3. In fact, we kind of assumed that they were filtering a lot out, the way a sophisticated radar system can ignore echoes from stationary objects on the ground. 事实上,我们推断蝙蝠在分析回声时过滤掉了很多因素,就像一个复杂的雷达系统可以忽略地面上静止物体的回声那样。
4. More details about the crash are filtering through. 人们对这场空难的了解一点点多起来。
5. The doors opened and people started filtering through. 门开了,人们开始徐徐通过。